Dometic FJX5557MBKCS FreshJet Air Conditioner 15000 BTU - Black

Dometic FreshJet 5 Series 15,000 BTU Mechanical Rooftop Air Conditioner – Black (FJX5557M)

Low-Profile | 115V AC / 12V DC | Cool-Only | Direct Replacement for Penguin II

The Dometic FreshJet 5 Series 15K BTU Mechanical Air Conditioner is a high-capacity, low-profile rooftop unit engineered for powerful cooling in a compact, aerodynamic package. Designed as a direct replacement for the Dometic Penguin II, this model offers quieter operation, enhanced vibration control, and improved durability — ideal for both new RV builds and retrofit installations.

Key Features

• 15,000 BTU Cooling Capacity – Efficiently cools large RV interiors
• Low-Profile Design – Sleek, aerodynamic look for reduced drag
• Cool-Only Operation – Mechanical controls (heat pump version sold separately)
• High-Efficiency Airflow – 350 CFM blower with powerful front and rear distribution
• Quiet Operation – Vibration-isolated compressor for reduced noise
• Durable Construction – Reinforced steel base and injection-molded shroud
• CSA Certified
• Legacy Dometic SKUs: 640316, 641916, 641816

Specifications

General

• Model: FJX5557M (Label: FJX5557MBKCS)
• SKU: 9620015927
• Color: Matte Black
• Weight: 95.26 lbs (Unit) / 106.28 lbs (Shipping)

Electrical

• AC Input: 115V AC / 60 Hz
• DC Input: 12V DC

Cooling Performance

• Cooling Capacity: 15,000 BTU
• Airflow: 350 CFM
• Thermostat Zones: Single or Multi-Zone Compatible

Dimensions

• Unit Dimensions: 40.40" L × 29.22" W × 11.10" H
• Shipping Dimensions: 41.73" L × 29.72" W × 12.40" H

Included in the Box

• Air Conditioner Unit
• Warranty Card

Installation Notes

This unit requires additional components for full installation:

For Non-Ducted Applications:

• FJXADBMWH – Manual Ceiling Controls 

• 3317404.000 – For use with wall thermostat (sold separately)